@extends('backend.master')
@section('title', 'Roles & Permissions Management')

@section('backend_content')
    <!-- DataTables CSS -->
    <link rel="stylesheet" href="https://cdn.datatables.net/1.13.6/css/dataTables.bootstrap4.min.css">
    
    <!-- Modern UI Styles -->
    <style>
        /* Modern Badge Style (Matching your image) */
        .badge-modern {
            background-color: #e0e7ff; /* Light indigo background */
            color: #4f46e5; /* Indigo text */
            padding: 6px 12px;
            border-radius: 50px; /* Pill shape */
            font-size: 0.75rem;
            font-weight: 500;
            display: inline-block;
            margin: 4px 2px;
            border: 1px solid #c7d2fe;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
        }

        /* Action Buttons */
        .btn-action {
            width: 35px;
            height: 35px;
            padding: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            transition: all 0.2s ease;
        }
        .btn-action:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }

        /* Modern Table Adjustments */
        table.dataTable {
            border-collapse: collapse !important;
            margin-top: 15px !important;
            margin-bottom: 15px !important;
        }
        table.dataTable thead th {
            border-bottom: 2px solid #e2e8f0 !important;
            border-top: none !important;
            padding: 15px !important;
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        table.dataTable tbody td {
            padding: 15px !important;
            vertical-align: middle;
            border-bottom: 1px solid #e2e8f0;
        }
        
        /* Permission Module Checkbox Card */
        .permission-box {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            padding: 15px;
            max-height: 450px;
            overflow-y: auto;
        }
        .permission-box::-webkit-scrollbar { width: 6px; }
        .permission-box::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }
        
        .module-group-card {
            border: 1px solid #e2e8f0;
            border-radius: 6px;
            background: #fff;
            margin-bottom: 15px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.02);
        }
        .module-group-header {
            background: #f1f5f9;
            padding: 12px 15px;
            border-bottom: 1px solid #e2e8f0;
            border-radius: 6px 6px 0 0;
        }
    </style>

    <!-- Page Title Area -->
    <div class="container-fluid">
        <div class="row page-title clearfix">
            <div class="page-title-left">
                <h6 class="page-title-heading mr-0 mr-r-5">Roles Management</h6>
                <p class="page-title-description mr-0 d-none d-md-inline-block">Define user roles and manage their permissions securely.</p>
            </div>
            <div class="page-title-right d-none d-sm-inline-flex">
                <ol class="breadcrumb">
                    <li class="breadcrumb-item"><a href="{{ route('dashboard') }}">Dashboard</a></li>
                    <li class="breadcrumb-item active">Roles</li>
                </ol>
            </div>
        </div>
    </div>

    <!-- Main Content Area -->
    <div class="container-fluid">
        <div class="widget-list">
            <div class="row">
                <div class="col-md-12">
                    <div class="widget-bg border-0 shadow-sm" style="border-radius: 10px;">
                        <div class="widget-heading widget-heading-border d-flex justify-content-between align-items-center py-3">
                            <h5 class="widget-title m-0">Roles List</h5>
                            @can('create Role')
    <button type="button" class="btn btn-primary" style="border-radius: 6px;" onclick="showAddModal()">
        <i class="fa fa-plus-circle mr-1"></i> Create Role
    </button>
@endcan
                        </div>

                        <div class="widget-body table-responsive py-3">
                            <table id="rolesTable" class="table table-hover text-center w-100">
                                <thead>
                                    <tr>
                                        <th width="5%">#</th>
                                        <th width="20%">Role Name</th>
                                        <th width="60%" class="text-left">Assigned Permissions</th>
                                        <th width="15%">Action</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    <!-- DataTables will fill this -->
                                </tbody>
                            </table>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Add/Edit Modal (With Module Grouping) -->
    <div class="modal fade" id="roleModal" tabindex="-1" role="dialog" aria-hidden="true" data-backdrop="static">
        <div class="modal-dialog modal-xl modal-dialog-centered" role="document">
            <div class="modal-content" style="border-radius: 12px; border: none; box-shadow: 0 10px 30px rgba(0,0,0,0.1);">
                <div class="modal-header bg-light border-bottom-0 pb-3 pt-4 px-4">
                    <h5 class="modal-title font-weight-bold text-dark" id="modalTitle">Create New Role</h5>
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                </div>
                <form id="roleForm">
                    @csrf
                    <div class="modal-body px-4">
                        <input type="hidden" id="role_id" name="role_id">
                        
                        <div class="form-group mb-4">
                            <label class="font-weight-bold text-dark">Role Name <span class="text-danger">*</span></label>
                            <input type="text" class="form-control" id="name" name="name" placeholder="e.g. System Administrator" style="border-radius: 6px; padding: 10px 15px;" required>
                        </div>

                        <div class="form-group mb-0">
                            <div class="d-flex justify-content-between align-items-center mb-3">
                                <label class="font-weight-bold text-dark mb-0">Module Permissions</label>
                                <div>
                                    <button type="button" class="btn btn-sm btn-outline-info mr-1" id="selectAllBtn">Select All Modules</button>
                                    <button type="button" class="btn btn-sm btn-outline-danger" id="deselectAllBtn">Clear All</button>
                                </div>
                            </div>
                            
                            <div class="permission-box">
                                @php
                                    $groupedPermissions = $permissions->groupBy(function($perm) {
                                        $parts = explode(' ', $perm->name);
                                        if (count($parts) > 1) {
                                            array_shift($parts);
                                            return implode(' ', $parts);
                                        }
                                        return 'General Settings';
                                    });
                                @endphp

                                <div class="row">
                                    @foreach($groupedPermissions as $module => $perms)
                                        @php $moduleSlug = Str::slug($module); @endphp
                                        <div class="col-md-6">
                                            <div class="module-group-card">
                                                <div class="module-group-header">
                                                    <div class="custom-control custom-checkbox">
                                                        <input type="checkbox" class="custom-control-input module-checkbox" 
                                                               id="module_{{ $moduleSlug }}" 
                                                               data-module="{{ $moduleSlug }}">
                                                        <label class="custom-control-label font-weight-bold text-primary cursor-pointer" for="module_{{ $moduleSlug }}">
                                                            {{ ucfirst($module) }}
                                                        </label>
                                                    </div>
                                                </div>
                                                
                                                <div class="p-3">
                                                    <div class="row">
                                                        @foreach($perms as $permission)
                                                            <div class="col-sm-6 mb-2">
                                                                <div class="custom-control custom-checkbox">
                                                                    <input type="checkbox" class="custom-control-input permission-checkbox module-item-{{ $moduleSlug }}" 
                                                                           id="perm_{{ $permission->id }}" 
                                                                           name="permissions[]" 
                                                                           value="{{ $permission->name }}"
                                                                           data-module="{{ $moduleSlug }}">
                                                                    <label class="custom-control-label cursor-pointer text-muted" for="perm_{{ $permission->id }}">
                                                                        {{ $permission->name }}
                                                                    </label>
                                                                </div>
                                                            </div>
                                                        @endforeach
                                                    </div>
                                                </div>
                                            </div>
                                        </div>
                                    @endforeach
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class="modal-footer border-top-0 px-4 pb-4">
                        <button type="button" class="btn btn-light" data-dismiss="modal" style="border-radius: 6px;">Cancel</button>
                        <button type="submit" class="btn btn-primary" id="saveBtn" style="border-radius: 6px;">Save Configuration</button>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <!-- Scripts -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
    <script src="https://cdn.datatables.net/1.13.6/js/jquery.dataTables.min.js"></script>
    <script src="https://cdn.datatables.net/1.13.6/js/dataTables.bootstrap4.min.js"></script>
    <!-- SweetAlert2 -->
    <script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>

    <script>
        $.ajaxSetup({ headers: { 'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content') } });

        // Initialize DataTable
        var table = $('#rolesTable').DataTable({
            processing: true,
            serverSide: true,
            ajax: "{{ route('admin.roles.fetch') }}", 
            columns: [
                { data: 'DT_RowIndex', name: 'DT_RowIndex', orderable: false, searchable: false },
                { data: 'name', name: 'name', render: function(data) { return '<strong class="text-dark">' + data + '</strong>'; } },
                { data: 'permissions', name: 'permissions', orderable: false, searchable: false, className: 'text-left' },
                { data: 'action', name: 'action', orderable: false, searchable: false },
            ]
        });

        function fetchTable() { table.ajax.reload(null, false); }

        function showAddModal() {
            $('#roleForm')[0].reset();
            $('#role_id').val('');
            $('.permission-checkbox, .module-checkbox').prop('checked', false);
            $('#modalTitle').text('Create New Role');
            $('#roleModal').modal('show');
        }

        function editRole(id) {
            let url = "{{ route('admin.roles.edit', ':id') }}".replace(':id', id);
            
            $.get(url, function (response) {
                $('#roleForm')[0].reset();
                $('.permission-checkbox, .module-checkbox').prop('checked', false);
                
                $('#modalTitle').text('Modify Role');
                $('#role_id').val(response.role.id);
                $('#name').val(response.role.name);
                
                if(response.rolePermissions.length > 0) {
                    $.each(response.rolePermissions, function(index, value) {
                        $('input[value="' + value + '"]').prop('checked', true);
                    });
                    $('.permission-checkbox').trigger('change');
                }
                $('#roleModal').modal('show');
            });
        }

        // Module grouping logic
        $('.module-checkbox').on('change', function() {
            let module = $(this).data('module');
            let isChecked = $(this).prop('checked');
            $('.module-item-' + module).prop('checked', isChecked);
        });

        $('.permission-checkbox').on('change', function() {
            let module = $(this).data('module');
            let totalCheckboxes = $('.module-item-' + module).length;
            let checkedCheckboxes = $('.module-item-' + module + ':checked').length;
            
            if(totalCheckboxes === checkedCheckboxes) {
                $('#module_' + module).prop('checked', true);
            } else {
                $('#module_' + module).prop('checked', false);
            }
        });

        $('#selectAllBtn').click(function() { $('.permission-checkbox, .module-checkbox').prop('checked', true); });
        $('#deselectAllBtn').click(function() { $('.permission-checkbox, .module-checkbox').prop('checked', false); });

        // Form Submit
        $('#roleForm').submit(function (e) {
            e.preventDefault();
            let formData = new FormData(this);
            let btn = $('#saveBtn');
            let originalText = btn.html();
            btn.html('<i class="fa fa-spinner fa-spin mr-1"></i> Saving...').prop('disabled', true);

            $.ajax({
                type: "POST",
                url: "{{ route('admin.roles.store') }}",
                data: formData,
                contentType: false,
                processData: false,
                success: function (response) {
                    $('#roleModal').modal('hide');
                    btn.html(originalText).prop('disabled', false);
                    fetchTable();
                    Swal.fire({ icon: 'success', title: 'Success!', text: response.success, timer: 2000, showConfirmButton: false });
                },
                error: function (xhr) {
                    btn.html(originalText).prop('disabled', false);
                    let errorMsg = 'Something went wrong!';
                    if (xhr.status === 422 && xhr.responseJSON.errors.name) {
                        errorMsg = xhr.responseJSON.errors.name[0];
                    }
                    Swal.fire({ icon: 'error', title: 'Oops...', text: errorMsg });
                }
            });
        });

        // Delete Logic
        function confirmDelete(id) {
            Swal.fire({
                title: 'Are you sure?', text: "This action cannot be undone!", icon: 'warning',
                showCancelButton: true, confirmButtonColor: '#ef4444', cancelButtonColor: '#64748b',
                confirmButtonText: '<i class="fa fa-trash"></i> Yes, delete!'
            }).then((result) => {
                if (result.isConfirmed) {
                    let url = "{{ route('admin.roles.destroy', ':id') }}".replace(':id', id);
                    $.ajax({
                        type: "DELETE", url: url,
                        success: function (response) {
                            fetchTable();
                            Swal.fire('Deleted!', response.success, 'success');
                        },
                        error: function(xhr) {
                            let msg = xhr.responseJSON && xhr.responseJSON.error ? xhr.responseJSON.error : 'Could not delete the role.';
                            Swal.fire('Failed!', msg, 'error');
                        }
                    });
                }
            });
        }
    </script>
@endsection